epifanio

A spelunker is surveying a cave. She follows a passage 150m straight west, then 270m in a direction 45^\circ east of south, and then 280 {\rm m} at 30^\circ east of north. After a fourth unmeasured displacement, she finds herself back where she started.Us...

Gary makes custom metal signs. He has a sheet of metal that is 6 feet by 12 feet and wants to cut it into signs that are 2 feet by 4 feet. How many signs can he make?